The demo version of this game has the level select cheat built in as the demo version is identical to the retail release with the exception of a promotional screen put in after the end of level one, followed by a return to the title screen. If you enter the level select cheat, all the levels from the full game are available for play. To access the level select, at the main menu, press Right, Left, Right, Left, Down, Up, Down, Up, Right, Right, Right.